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101512 (1998 XU25)
Classification: Main-belt Asteroid          SPK-ID: 2101512
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2088151586692287 4.481e-08  
a 3.056426705706182 1.5352e-08 au
q 2.418198478193277 1.3978e-07 au
i .6334765040851142 4.2154e-06 deg
node 102.8398279203554 0.00054382 deg
peri 309.219643270364 0.00054399 deg
M 8.412990019924228 1.3086e-05 deg
tp 2458954.889243198489
(2020-Apr-15.38924320)
7.0824e-05 TDB
period 1951.728506708953
5.34
1.4705e-05
4.026e-08
d
yr
n .1844518839390423 1.3897e-09 deg/d
Q 3.694654933219086 1.8558e-08 au
  Orbit Determination Parameters
   # obs. used (total)      445  
   data-arc span      8008 days (21.92 yr)  
   first obs. used      1998-11-16  
   last obs. used      2020-10-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58867  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:00:09  

Additional Information
 Earth MOID = 1.42925 au 
 Jupiter MOID = 1.68489 au 
 T_jup = 3.201 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9   n/a MPO493570  
diameter diameter 3.302 km 0.751 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.064   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101512 (1998 XU25)          Discovered 1998-Dec-14 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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